src/java.base/share/classes/java/security/Signature.java

@@ -35,11 +35,10 @@
 import java.nio.ByteBuffer;
 
 import java.security.Provider.Service;
 
 import javax.crypto.Cipher;
-import javax.crypto.CipherSpi;
 import javax.crypto.IllegalBlockSizeException;
 import javax.crypto.BadPaddingException;
 import javax.crypto.NoSuchPaddingException;
 
 import sun.security.util.Debug;

@@ -178,19 +177,16 @@
 
     // name of the equivalent cipher alg
     private static final String RSA_CIPHER = "RSA/ECB/PKCS1Padding";
 
     // all the services we need to lookup for compatibility with Cipher
-    private static final List<ServiceId> rsaIds = Arrays.asList(
-        new ServiceId[] {
+    private static final List<ServiceId> rsaIds = List.of(
             new ServiceId("Signature", "NONEwithRSA"),
             new ServiceId("Cipher", "RSA/ECB/PKCS1Padding"),
             new ServiceId("Cipher", "RSA/ECB"),
             new ServiceId("Cipher", "RSA//PKCS1Padding"),
-            new ServiceId("Cipher", "RSA"),
-        }
-    );
+        new ServiceId("Cipher", "RSA"));
 
     /**
      * Returns a Signature object that implements the specified signature
      * algorithm.
      *